The Gospel According to Sam is a collection of thirty "animal stories for the soul," written by William Miller, a priest who's considered to be one of the best preachers in the Episcopal Church. The "Sam" in the title is Miller's Airedale, a lovable, "wounded healer" of a dog who survived a house fire that burned off his ears but couldn't extinguish his spirit. Sam becomes a vehicle for healing, humor, adventure, spiritual growth, and prayer for Miller and his parishioners.

Sam isn't a typical warm-fuzzy, feel-good animal stories book, however. Miller writes with an...